1 /*****************************************************************************
2 * interface_widgets.cpp : Custom widgets for the main interface
3 ****************************************************************************
4 * Copyright (C) 2006-2008 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Jean-Baptiste Kempf <jb@videolan.org>
9 * Rafaël Carré <funman@videolanorg>
10 * Ilkka Ollakka <ileoo@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * ( at your option ) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
31 #include "components/interface_widgets.hpp"
33 #include "menus.hpp" /* Popup menu on bgWidget */
38 #include <QToolButton>
40 #include <QResizeEvent>
43 #include <QWidgetAction>
44 #include <QDesktopWidget>
47 # include <X11/Xlib.h>
48 # include <qx11info_x11.h>
49 static void videoSync( void )
51 /* Make sure the X server has processed all requests.
52 * This protects other threads using distinct connections from getting
53 * the video widget window in an inconsistent states. */
54 XSync( QX11Info::display(), False );
57 # define videoSync() (void)0
62 class ReparentableWidget : public QWidget
67 ReparentableWidget( VideoWidget *owner ) : owner( owner )
72 void keyPressEvent( QKeyEvent *e )
74 emit owner->keyPressed( e );
78 /**********************************************************************
79 * Video Widget. A simple frame on which video is drawn
80 * This class handles resize issues
81 **********************************************************************/
83 VideoWidget::VideoWidget( intf_thread_t *_p_i ) : QFrame( NULL ), p_intf( _p_i )
87 videoSize.rwidth() = -1;
88 videoSize.rheight() = -1;
92 /* Set the policy to expand in both directions */
93 // setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
95 layout = new QHBoxLayout( this );
96 layout->setContentsMargins( 0, 0, 0, 0 );
100 VideoWidget::~VideoWidget()
102 /* Ensure we are not leaking the video output. This would crash. */
103 assert( reparentable == NULL );
107 * Request the video to avoid the conflicts
109 WId VideoWidget::request( int *pi_x, int *pi_y,
110 unsigned int *pi_width, unsigned int *pi_height,
113 msg_Dbg( p_intf, "Video was requested %i, %i", *pi_x, *pi_y );
115 if( reparentable != NULL )
117 msg_Dbg( p_intf, "embedded video already in use" );
122 *pi_width = size().width();
123 *pi_height = size().height();
126 /* The Qt4 UI needs a fixed a widget ("this"), so that the parent layout is
127 * not messed up when we the video is reparented. Hence, we create an extra
128 * reparentable widget, that will be within the VideoWidget in windowed
129 * mode, and within the root window (NULL parent) in full-screen mode.
131 reparentable = new ReparentableWidget( this );
132 QLayout *innerLayout = new QHBoxLayout( reparentable );
133 innerLayout->setContentsMargins( 0, 0, 0, 0 );
135 /* The owner of the video window needs a stable handle (WinId). Reparenting
136 * in Qt4-X11 changes the WinId of the widget, so we need to create another
137 * dummy widget that stays within the reparentable widget. */
138 QWidget *stable = new QWidget();
139 QPalette plt = palette();
140 plt.setColor( QPalette::Window, Qt::black );
141 stable->setPalette( plt );
142 stable->setAutoFillBackground(true);
143 /* Indicates that the widget wants to draw directly onto the screen.
144 Widgets with this attribute set do not participate in composition
146 stable->setAttribute( Qt::WA_PaintOnScreen, true );
148 innerLayout->addWidget( stable );
150 reparentable->setLayout( innerLayout );
151 layout->addWidget( reparentable );
154 /* HACK: Only one X11 client can subscribe to mouse button press events.
155 * VLC currently handles those in the video display.
156 * Force Qt4 to unsubscribe from mouse press and release events. */
157 Display *dpy = QX11Info::display();
158 Window w = stable->winId();
159 XWindowAttributes attr;
161 XGetWindowAttributes( dpy, w, &attr );
162 attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
163 XSelectInput( dpy, w, attr.your_event_mask );
167 msg_Dbg( p_intf, "embedded video ready (handle %p)",
168 (void *)stable->winId() );
170 return stable->winId();
173 /* Set the Widget to the correct Size */
174 /* Function has to be called by the parent
175 Parent has to care about resizing itself */
176 void VideoWidget::SetSizing( unsigned int w, unsigned int h )
178 msg_Dbg( p_intf, "Video is resizing to: %i %i", w, h );
179 videoSize.rwidth() = w;
180 videoSize.rheight() = h;
181 if( !isVisible() ) show();
182 updateGeometry(); // Needed for deinterlace
186 void VideoWidget::SetFullScreen( bool b_fs )
188 const Qt::WindowStates curstate = reparentable->windowState();
189 Qt::WindowStates newstate = curstate;
190 Qt::WindowFlags newflags = reparentable->windowFlags();
195 newstate |= Qt::WindowFullScreen;
196 newflags |= Qt::WindowStaysOnTopHint;
200 newstate &= ~Qt::WindowFullScreen;
201 newflags &= ~Qt::WindowStaysOnTopHint;
203 if( newstate == curstate )
204 return; /* no changes needed */
207 { /* Go full-screen */
208 int numscreen = QApplication::desktop()->screenNumber( p_intf->p_sys->p_mi );
209 QRect screenres = QApplication::desktop()->screenGeometry( numscreen );
211 reparentable->setWindowState( newstate );
212 reparentable->setParent( NULL );
213 reparentable->setWindowFlags( newflags );
214 /* To be sure window is on proper-screen in xinerama */
215 if( !screenres.contains( reparentable->pos() ) )
217 msg_Dbg( p_intf, "Moving video to correct screen");
218 reparentable->move( QPoint( screenres.x(), screenres.y() ) );
220 reparentable->show();
224 reparentable->setWindowFlags( newflags );
225 layout->addWidget( reparentable );
226 reparentable->setWindowState( newstate );
231 void VideoWidget::release( void )
233 msg_Dbg( p_intf, "Video is not needed anymore" );
234 //layout->removeWidget( reparentable );
237 videoSize.rwidth() = 0;
238 videoSize.rheight() = 0;
243 QSize VideoWidget::sizeHint() const
248 /**********************************************************************
249 * Background Widget. Show a simple image background. Currently,
250 * it's album art if present or cone.
251 **********************************************************************/
252 #define ICON_SIZE 128
253 #define MAX_BG_SIZE 400
254 #define MIN_BG_SIZE 128
256 BackgroundWidget::BackgroundWidget( intf_thread_t *_p_i )
257 :QWidget( NULL ), p_intf( _p_i )
259 /* We should use that one to take the more size it can */
260 setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding);
262 /* A dark background */
263 setAutoFillBackground( true );
265 plt.setColor( QPalette::Active, QPalette::Window , Qt::black );
266 plt.setColor( QPalette::Inactive, QPalette::Window , Qt::black );
269 /* A cone in the middle */
271 label->setMargin( 5 );
272 label->setMaximumHeight( MAX_BG_SIZE );
273 label->setMaximumWidth( MAX_BG_SIZE );
274 label->setMinimumHeight( MIN_BG_SIZE );
275 label->setMinimumWidth( MIN_BG_SIZE );
276 label->setAlignment( Qt::AlignCenter );
277 if( QDate::currentDate().dayOfYear() >= 354 )
278 label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
280 label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
282 QGridLayout *backgroundLayout = new QGridLayout( this );
283 backgroundLayout->addWidget( label, 0, 1 );
284 backgroundLayout->setColumnStretch( 0, 1 );
285 backgroundLayout->setColumnStretch( 2, 1 );
287 CONNECT( THEMIM->getIM(), artChanged( QString ),
288 this, updateArt( const QString& ) );
291 BackgroundWidget::~BackgroundWidget()
294 void BackgroundWidget::resizeEvent( QResizeEvent * event )
296 if( event->size().height() <= MIN_BG_SIZE )
302 void BackgroundWidget::updateArt( const QString& url )
306 if( QDate::currentDate().dayOfYear() >= 354 )
307 label->setPixmap( QPixmap( ":/logo/vlc128-christmas.png" ) );
309 label->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
313 QPixmap pixmap( url );
314 if( pixmap.width() > label->maximumWidth() ||
315 pixmap.height() > label->maximumHeight() )
317 pixmap = pixmap.scaled( label->maximumWidth(),
318 label->maximumHeight(), Qt::KeepAspectRatio );
321 label->setPixmap( pixmap );
325 void BackgroundWidget::contextMenuEvent( QContextMenuEvent *event )
327 QVLCMenu::PopupMenu( p_intf, true );
332 #include <QPushButton>
333 #include <QHBoxLayout>
335 /**********************************************************************
336 * Visualization selector panel
337 **********************************************************************/
338 VisualSelector::VisualSelector( intf_thread_t *_p_i ) :
339 QFrame( NULL ), p_intf( _p_i )
341 QHBoxLayout *layout = new QHBoxLayout( this );
342 layout->setMargin( 0 );
343 QPushButton *prevButton = new QPushButton( "Prev" );
344 QPushButton *nextButton = new QPushButton( "Next" );
345 layout->addWidget( prevButton );
346 layout->addWidget( nextButton );
348 layout->addStretch( 10 );
349 layout->addWidget( new QLabel( qtr( "Current visualization" ) ) );
351 current = new QLabel( qtr( "None" ) );
352 layout->addWidget( current );
354 BUTTONACT( prevButton, prev() );
355 BUTTONACT( nextButton, next() );
358 setMaximumHeight( 35 );
361 VisualSelector::~VisualSelector()
364 void VisualSelector::prev()
366 char *psz_new = aout_VisualPrev( p_intf );
369 current->setText( qfu( psz_new ) );
374 void VisualSelector::next()
376 char *psz_new = aout_VisualNext( p_intf );
379 current->setText( qfu( psz_new ) );
385 SpeedLabel::SpeedLabel( intf_thread_t *_p_intf, const QString& text,
387 : QLabel( text, parent ), p_intf( _p_intf )
389 setToolTip( qtr( "Current playback speed.\nClick to adjust" ) );
391 /* Create the Speed Control Widget */
392 speedControl = new SpeedControlWidget( p_intf, this );
393 speedControlMenu = new QMenu( this );
395 QWidgetAction *widgetAction = new QWidgetAction( speedControl );
396 widgetAction->setDefaultWidget( speedControl );
397 speedControlMenu->addAction( widgetAction );
399 /* Change the SpeedRate in the Status Bar */
400 CONNECT( THEMIM->getIM(), rateChanged( int ), this, setRate( int ) );
402 CONNECT( THEMIM, inputChanged( input_thread_t * ),
403 speedControl, activateOnState() );
406 SpeedLabel::~SpeedLabel()
409 delete speedControlMenu;
411 /****************************************************************************
412 * Small right-click menu for rate control
413 ****************************************************************************/
414 void SpeedLabel::showSpeedMenu( QPoint pos )
416 speedControlMenu->exec( QCursor::pos() - pos
417 + QPoint( 0, height() ) );
420 void SpeedLabel::setRate( int rate )
423 str.setNum( ( 1000 / (double)rate ), 'f', 2 );
427 speedControl->updateControls( rate );
430 /**********************************************************************
431 * Speed control widget
432 **********************************************************************/
433 SpeedControlWidget::SpeedControlWidget( intf_thread_t *_p_i, QWidget *_parent )
434 : QFrame( _parent ), p_intf( _p_i )
436 QSizePolicy sizePolicy( QSizePolicy::Maximum, QSizePolicy::Fixed );
437 sizePolicy.setHorizontalStretch( 0 );
438 sizePolicy.setVerticalStretch( 0 );
440 speedSlider = new QSlider( this );
441 speedSlider->setSizePolicy( sizePolicy );
442 speedSlider->setMaximumSize( QSize( 80, 200 ) );
443 speedSlider->setOrientation( Qt::Vertical );
444 speedSlider->setTickPosition( QSlider::TicksRight );
446 speedSlider->setRange( -34, 34 );
447 speedSlider->setSingleStep( 1 );
448 speedSlider->setPageStep( 1 );
449 speedSlider->setTickInterval( 17 );
451 CONNECT( speedSlider, valueChanged( int ), this, updateRate( int ) );
453 QToolButton *normalSpeedButton = new QToolButton( this );
454 normalSpeedButton->setMaximumSize( QSize( 26, 20 ) );
455 normalSpeedButton->setAutoRaise( true );
456 normalSpeedButton->setText( "1x" );
457 normalSpeedButton->setToolTip( qtr( "Revert to normal play speed" ) );
459 CONNECT( normalSpeedButton, clicked(), this, resetRate() );
461 QVBoxLayout *speedControlLayout = new QVBoxLayout( this );
462 speedControlLayout->setLayoutMargins( 4, 4, 4, 4, 4 );
463 speedControlLayout->setSpacing( 4 );
464 speedControlLayout->addWidget( speedSlider );
465 speedControlLayout->addWidget( normalSpeedButton );
470 void SpeedControlWidget::activateOnState()
472 speedSlider->setEnabled( THEMIM->getIM()->hasInput() );
475 void SpeedControlWidget::updateControls( int rate )
477 if( speedSlider->isSliderDown() )
479 //We don't want to change anything if the user is using the slider
483 double value = 17 * log( (double)INPUT_RATE_DEFAULT / rate ) / log( 2 );
484 int sliderValue = (int) ( ( value > 0 ) ? value + .5 : value - .5 );
486 if( sliderValue < speedSlider->minimum() )
488 sliderValue = speedSlider->minimum();
490 else if( sliderValue > speedSlider->maximum() )
492 sliderValue = speedSlider->maximum();
495 //Block signals to avoid feedback loop
496 speedSlider->blockSignals( true );
497 speedSlider->setValue( sliderValue );
498 speedSlider->blockSignals( false );
501 void SpeedControlWidget::updateRate( int sliderValue )
503 double speed = pow( 2, (double)sliderValue / 17 );
504 int rate = INPUT_RATE_DEFAULT / speed;
506 THEMIM->getIM()->setRate(rate);
509 void SpeedControlWidget::resetRate()
511 THEMIM->getIM()->setRate( INPUT_RATE_DEFAULT );
514 CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
515 : QLabel( parent ), p_intf( _p_i )
517 setContextMenuPolicy( Qt::ActionsContextMenu );
518 CONNECT( this, updateRequested(), this, askForUpdate() );
520 setMinimumHeight( 128 );
521 setMinimumWidth( 128 );
522 setMaximumHeight( 128 );
523 setMaximumWidth( 128 );
524 setScaledContents( false );
525 setAlignment( Qt::AlignCenter );
527 QList< QAction* > artActions = actions();
528 QAction *action = new QAction( qtr( "Download cover art" ), this );
529 CONNECT( action, triggered(), this, askForUpdate() );
535 CoverArtLabel::~CoverArtLabel()
537 QList< QAction* > artActions = actions();
538 foreach( QAction *act, artActions )
542 void CoverArtLabel::showArtUpdate( const QString& url )
545 if( !url.isEmpty() && pix.load( url ) )
547 pix = pix.scaled( maximumWidth(), maximumHeight(),
548 Qt::KeepAspectRatioByExpanding );
552 pix = QPixmap( ":/noart.png" );
557 void CoverArtLabel::askForUpdate()
559 THEMIM->getIM()->requestArtUpdate();
562 TimeLabel::TimeLabel( intf_thread_t *_p_intf ) :QLabel(), p_intf( _p_intf )
564 b_remainingTime = false;
565 setText( " --:--/--:-- " );
566 setAlignment( Qt::AlignRight | Qt::AlignVCenter );
567 setToolTip( qtr( "Toggle between elapsed and remaining time" ) );
570 CONNECT( THEMIM->getIM(), cachingChanged( float ),
571 this, setCaching( float ) );
572 CONNECT( THEMIM->getIM(), positionUpdated( float, int, int ),
573 this, setDisplayPosition( float, int, int ) );
576 void TimeLabel::setDisplayPosition( float pos, int time, int length )
580 setText( " --:--/--:-- " );
584 char psz_length[MSTRTIME_MAX_SIZE], psz_time[MSTRTIME_MAX_SIZE];
585 secstotimestr( psz_length, length );
586 secstotimestr( psz_time, ( b_remainingTime && length ) ? length - time
590 timestr.sprintf( "%s/%s", psz_time,
591 ( !length && time ) ? "--:--" : psz_length );
593 /* Add a minus to remaining time*/
594 if( b_remainingTime && length ) setText( " -"+timestr+" " );
595 else setText( " "+timestr+" " );
598 void TimeLabel::toggleTimeDisplay()
600 b_remainingTime = !b_remainingTime;
603 void TimeLabel::setCaching( float f_cache )
606 amount.setNum( (int)(100 * f_cache) );
607 msg_Dbg( p_intf, "New caching: %d", (int)(100*f_cache));
608 setText( "Buff: " + amount + "%" );